Very low bit rate foveated video coding for H.263

被引：3
|
作者：
Lee, SH [1 ]
Bovik, AC [1 ]
机构：
[1] Univ Texas, Dept Elect & Comp Engn, Lab Image & Video Engn, Austin, TX 78712 USA
来源：
ICASSP '99: 1999 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS VOLS I-VI | 1999年
关键词：
D O I：
10.1109/ICASSP.1999.757500
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Recently, foveated video has been introduced as an important emerging method for very low bit rate multimedia applications [1][2]. In this paper, we develop several rate control algorithms, and measure the performance of foveated video. We utilize H.263 video, and compare the performance with regular video based on the SNRC (signalto-noise ratio in curvilinear coordinates). In order to maximize compression, we use a maximum quantization parameter (QP = 31) for the regular video, and code a foveated video sequence at the equivalent bit rate. In simulation, we improve the PSNRC to 3.64 (1.62)dB under 30 (14) Kbits/sec for P pictures in CIF "News" ("Akiyo") standard video sequence.
引用
收藏
页码：3113 / 3116
页数：4
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